Iowa Cubs extend PDC with Cubs to 2020

The Iowa Cubs have extended their player development contract with the Cubs to 2020. This is a two year extension beyond the previous agreement to 2018. The Cubs have had their AAA affiliate in Iowa since 1981. The article mentions that this is the third longest affiliation excluding minor league teams that are owned by a major league team, so in case you were curious, the two that are longer are Reading with the Phillies (tied for longest overall with the Tigers in Lakeland) and Omaha with the Royals.